UPSC NDA I 2025 Mathematics Paper

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Question Numbers: 105-106
Consider the following for the two (02) items that follow:
The sum and the sum of squares of the observations corresponding to length X (in cm) and weight Y (in gm) of 50 tropical tubers are given as ΣX=200$,ΣY=250,ΣX2=900andΣY2=1400

Question : 106 of 120

Marks: +1, -0

Which one of the following statements is correct?

Coefficient of variation of X is strictly more than coefficient of variation of Y.
Coefficient of variation of X is strictly less than coefficient of variation of Y
Coefficient of variation of X is same as coefficient of variation of Y.
Coefficient of variation cannot be determined from the given data.

Validate

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